v6.9.1: docs(release): update assets with 6.9.1 [skip ci]

## [6.9.1](https://github.com/cdaringe/rad/compare/v6.9.0...v6.9.1) (2022-03-20)

### Bug Fixes

* incorrect import map ref ([40355c7](https://github.com/cdaringe/rad/commit/40355c73b7d3b39d7a6464297bf4c5bf609d58bb))